6. in the teeth of in direct opposition to; against: in the teeth of violent criticism he went ahead with his plan.

7. show one's teeth to threaten, esp in a defensive manner

8. to the teeth to the greatest possible degree: armed to the teeth.

tooth

(tuθ)

n., pl. teeth, (ˈtu θɪŋ, -ðɪŋ) n.

1. (in most vertebrates) one of the hard bodies or processes usu. attached in a row to each jaw, serving for the prehension and mastication of food, as weapons of attack or defense, etc., and in mammals typically composed chiefly of dentin surrounding a sensitive pulp and covered on the crown with enamel.

2. (in invertebrates) any of various similar or analogous processes occurring in the mouth or alimentary canal, or on a shell.

3. any projection resembling a tooth.

4. one of the projections of a comb, rake, saw, etc.

5.

a. any of the uniform projections on a gear or rack by which it drives or is driven by a gear, rack, or worm.

b. any of the uniform projections on a sprocket by which it drives or is driven by a chain.

6. Bot. any small, toothlike marginal lobe.

7. a sharp, distressing, or destructive attribute or agency.

8. taste, relish, or liking.

9. teeth, effective power, esp. to enforce or accomplish something: to put teeth into a law.

10. a roughened surface, as on a sharpening stone, grinding wheel, or drawing paper.

v.t.

11. to furnish with teeth.

v.i.

12. to interlock, as cogwheels.

Idioms:

1. in the teeth of, straight into, against, or in defiance of.

2. long in the tooth, noticeably old; elderly.

3. set one's teeth, to become resolute; prepare for difficulty.

4. show one's teeth, to become menacing; reveal one's hostility.

5. to the teeth, to the fullest extent; fully; entirely: armed to the teeth.

the branch of dentistry concerned with diseases of the dental pulp and removal of the dental pulp, the nerve and other tissue of the pulp cavity; root canal therapy. Also endodontology. — endodontist, n.

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